134702569 has 2 divisors, whose sum is σ = 134702570. Its totient is φ = 134702568.

The previous prime is 134702563. The next prime is 134702591. The reversal of 134702569 is 965207431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124545600 + 10156969 = 11160^2 + 3187^2 .

It is a cyclic number.

It is not a de Polignac number, because 134702569 - 2¹³ = 134694377 is a prime.

It is a super-2 number, since 2×134702569² = 36289564190399522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (134702563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67351284 + 67351285.

It is an arithmetic number, because the mean of its divisors is an integer number (67351285).

Almost surely, 2^134702569 is an apocalyptic number.

It is an amenable number.

134702569 is a deficient number, since it is larger than the sum of its proper divisors (1).

134702569 is an equidigital number, since it uses as much as digits as its factorization.

134702569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 134702569 is about 11606.1435886344. The cubic root of 134702569 is about 512.6157663525.

The spelling of 134702569 in words is "one hundred thirty-four million, seven hundred two thousand, five hundred sixty-nine".